Back scrubber



FIG. 1 is a front view of a back scrubber in extended position, showing my new design;

FIG. 2 is a right end view thereof with the left end view being a mirror image of said right end view;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof along the lines 4--4 of FIG. 1; and

FIG. 5 is a top view thereof along the lines 5--5 of FIG. 1. 

The ornamental design for a back scrubber, as shown. 